Which neuroimaging technique was used in a landmark 2004 study that showed consumers' brains responded differently to Coke vs. Pepsi when they knew the brand, fundamentally changing scientific approaches to consumer research?

In the fascinating intersection of neuroscience and consumer behavior, companies use advanced scientific methods to understand shopping decisions at a biological level. Neuromarketing employs technologies like fMRI, EEG, and biometric sensors to measure subconscious responses to products. This poll tests your knowledge of how science is being used to decode consumer psychology in modern retail environments.

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Functional Magnetic Resonance Imaging (fMRI)
Electroencephalography (EEG)
Positron Emission Tomography (PET)
Magnetoencephalography (MEG)